Use StopChildProcess instead of base::KillProcess to kill a renderer process

chrome/browser/renderer_host/render_process_host_chrome_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/process/process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 492 matching lines @@
   // Use NOTIFICATION_BROWSER_CLOSED instead of NOTIFICATION_WINDOW_CLOSED,
   // since the latter is not implemented on OSX and the test will timeout,
   // causing it to fail.
   content::WindowedNotificationObserver observer(
       chrome::NOTIFICATION_BROWSER_CLOSED,
       content::NotificationService::AllSources());
 
   // Kill the renderer process, simulating a crash. This should the ProcessDied
   // method to be called. Alternatively, RenderProcessHost::OnChannelError can
   // be called to directly force a call to ProcessDied.
-  base::KillProcess(wc1->GetRenderProcessHost()->GetHandle(), -1, true);
+  wc1->GetRenderProcessHost()->Shutdown(-1, true);
 
   observer.Wait();
 }